iotop

Display a table of current I/O usage by processes or threads. More information: https://manned.org/iotop.

• Start top-like I/O monitor:
  sudo iotop
• Show only processes or threads actually doing I/O:
  sudo iotop --only
• Show I/O usage in non-interactive mode:
  sudo iotop --batch
• Show only I/O usage of processes (default is to show all threads):
  sudo iotop --processes
• Show I/O usage of given PID(s):
  sudo iotop --pid={{PID}}
• Show I/O usage of a given user:
  sudo iotop --user={{user}}
• Show accumulated I/O instead of bandwidth:
  sudo iotop --accumulated